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Finding the Fourth Proportional to 883,725, 1,219,540.50 and 481,317

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Solution

The fourth proportional to 883,725, 1,219,540.50 and 481,317 is: 664,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,725 : 1,219,540.50 = 481,317 : x
  2. Step 2: Convert to fraction form
    883,725/1,219,540.50 = 481,317/x
  3. Step 3: Cross multiply
    883,725x = 1,219,540.50 × 481,317
  4. Step 4: Simplify right side
    883,725x = 586,985,574,838.50
  5. Step 5: Solve for x
    x = 586,985,574,838.50/883,725
  6. Step 6: Final answer
    x = 664,217.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.